138 lines
13 KiB
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138 lines
13 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.302.5357" ID-GBIF-Dataset="7719763b-73d3-41c0-a2a1-7b556211c510" ID-PMC="PMC3689142" ID-Pensoft-Pub="1313-2970-302-13" ID-PubMed="23794898" ModsDocAuthor="" ModsDocDate="2013" ModsDocID="1313-2970-302-13" ModsDocOrigin="ZooKeys 302" ModsDocTitle="Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species" checkinTime="1451247279908" checkinUser="pensoft" docAuthor="Golovatch, Sergei I., Geoffroy, Jean-Jacques, Stoev, Pavel & Spiegel, Didier Vanden" docDate="2013" docId="A3A847507E5541EA0C8DF72C58343E87" docLanguage="en" docName="ZooKeys 302: 13-77" docOrigin="ZooKeys 302" docSource="http://dx.doi.org/10.3897/zookeys.302.5357" docTitle="Retrodesmus cavernicola Golovatch, Geoffroy, Stoev & Spiegel, 2013, sp. n." docType="treatment" docVersion="4" lastPageNumber="37" masterDocId="E803FFEEFFE9B5412A1DFF9BFFA2CB26" masterDocTitle="Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species" masterLastPageNumber="77" masterPageNumber="13" pageNumber="34" updateTime="1668155849204" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Review of the millipede family Opisotretidae (Diplopoda, Polydesmida), with descriptions of new species</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Golovatch, Sergei I.</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Geoffroy, Jean-Jacques</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Stoev, Pavel</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Spiegel, Didier Vanden</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2013</mods:date>
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<mods:detail type="volume">
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<mods:number>302</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>13</mods:start>
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<mods:end>77</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.302.5357</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.302.5357</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-302-13</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152044256" LSID="urn:lsid:zoobank.org:act:F9034C5B-EC1B-4AD8-968D-7F77FF1AD0EB" httpUri="http://treatment.plazi.org/id/A3A847507E5541EA0C8DF72C58343E87" lastPageId="24" lastPageNumber="37" pageId="21" pageNumber="34">
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<subSubSection pageId="21" pageNumber="34" type="nomenclature">
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<paragraph pageId="21" pageNumber="34">
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<taxonomicName LSID="urn:lsid:zoobank.org:act:F9034C5B-EC1B-4AD8-968D-7F77FF1AD0EB" class="Diplopoda" family="Opisotretidae" genus="Retrodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Retrodesmus cavernicola" order="Polydesmida" pageId="21" pageNumber="34" phylum="Arthropoda" rank="species" species="cavernicola">Retrodesmus cavernicola</taxonomicName>
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<taxonomicNameLabel pageId="21" pageNumber="34">sp. n.</taxonomicNameLabel>
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Figs 14-16
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</paragraph>
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</subSubSection>
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<subSubSection pageId="21" pageNumber="34" type="type material">
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<paragraph pageId="21" pageNumber="34">Type material.</paragraph>
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<paragraph pageId="21" pageNumber="34">Holotype ♂ (NMNHS), Papua New Guinea, Western Prov., Finim tel Plateau, Peep Hole Cave, 18.08.1975, leg. P. Beron (British Speleological Expedition).</paragraph>
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<paragraph pageId="21" pageNumber="34">Paratypes: 1 ♂, 1 ♀, 1 ♂ (incomplete), 5 juv. (17 segments) (NMNHS), 1 juv. (17 segments) (ZMUC), 1 ♀ subadult (19 segments) (MNHN JC 338), Papua New Guinea, Western Prov., Telefomin, Cave Bem Tem (No. 1), 31.07.1975, leg. British Speleological Expedition; 1 ♀ subadult (19 segments) (ZMUM), 1 ♀ subadult (19 segments) (SEM), 1 juv. (17 segments) (NMNHS), Finim tel Plateau, Upper Bitip Cave, west chamber, 21.11.1975, leg. British Speleological Expedition, FT-11; 1 ♀ (fragments) (NMNHS), Finim tel Plateau, bottom of a 150 m shaft near Girtoil, 08.08.1975, leg. British Speleological Expedition; 1 ♀ (fragments) (NMNHS), Chimbu Prov., Goglme Village, Cave Ogon I, 1975, leg. P. Beron (British Speleological Expedition).</paragraph>
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</subSubSection>
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<subSubSection pageId="21" pageNumber="34" type="diagnosis">
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<paragraph pageId="21" pageNumber="34">Diagnosis.</paragraph>
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<paragraph pageId="21" pageNumber="34">
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Differs readily from
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<taxonomicName class="Diplopoda" family="Opisotretidae" genus="Retrodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Retrodesmus dammermani" order="Polydesmida" pageId="21" pageNumber="34" phylum="Arthropoda" rank="species" species="dammermani">Retrodesmus dammermani</taxonomicName>
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Chamberlin, 1945, the only other known species of
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<taxonomicName class="Diplopoda" family="Opisotretidae" genus="Retrodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Retrodesmus" order="Polydesmida" pageId="21" pageNumber="34" phylum="Arthropoda" rank="genus">Retrodesmus</taxonomicName>
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, by the particularly broad paraterga, several clearly troglomorphic features such as especially long and slender antennae, legs and metatergal setae, the latter also being very dense, the subcaudal position of the ozopores, and the shape and ornamentation of the gonopod apex.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="21" pageNumber="34" type="name">
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<paragraph pageId="21" pageNumber="34">Name.</paragraph>
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<paragraph pageId="21" pageNumber="34">To emphasize the obvious troglomorphic traits strongly suggesting obligate cave-dwelling; a noun in apposition.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="23" lastPageNumber="36" pageId="21" pageNumber="34" type="description">
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<paragraph pageId="21" pageNumber="34">Description.</paragraph>
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<paragraph pageId="21" pageNumber="34">Length of adults of both sexes ca 12 (♂) or 16 mm (♀), width of midbody pro- and metazona 0.95-1.0 and 2.0 mm (holotype and ♂ paratype) or 1.5 and 2.8 mm (♀ paratypes), respectively. Coloration in alcohol from uniformly pallid to light yellowish.</paragraph>
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<paragraph pageId="21" pageNumber="34">Body with 19 (♂) or 20 (♀) segments. Tegument mainly dull, at most slightly shining, texture very delicately alveolate. Head densely pilose throughout; epicranial suture superficial and thin; isthmus between antennae about twice the diameter of antennal socket. Antennae very long and slender, reaching behind segment 2 when stretched dorsally, geniculate between antennomeres 5 and 6, each latter with an apicodorsal group of tiny sensilla; antennomere 7 with a tiny mid-dorsal knob; antennomeres 2-6 subequal in length (Fig. 15A).</paragraph>
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<paragraph lastPageId="22" lastPageNumber="35" pageId="21" pageNumber="34">
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In width, collum << head <segment 2 <3 = 4 <5 (6) =15 (♂, ♀), thereafter body gradually tapering towards telson. Paraterga very strongly developed, starting from collum, invariably slightly to clearly upturned, set high, but always lying slightly below a faintly convex dorsum, with shoulders frontolaterally (Figs 14
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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). Caudal corner of postcollum paraterga invariably spiniform, pointed, extending increasingly behind rear tergal margin. Lateral edge of paraterga with 2 or 3 clear and deep seti
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<pageBreakToken pageId="22" pageNumber="35" start="start">gerous</pageBreakToken>
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indentations in poreless and poriferous segments, respectively. Pore formula normal; ozopores evident, round, flush open on dorsal surface, located very close to caudal margin at bottom of caudalmost lateral incision (Fig. 14J), lateral tooth being considerably shorter than medial one. Collum and each following metatergum with mostly 3+3 long, nearly pointed, but ribbed and subbacilliform setae arranged in three transverse, rather regular rows and borne on small stalks; polygonal bosses very flat; both rear rows of setae more irregular, placed very close to each other (Figs 14
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<normalizedToken originalValue="A–E">A-E</normalizedToken>
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, H). Stricture between pro- and metazona wide, shallow and smooth. Limbus very fine, microspiculate, the spikes mostly being rather sparse and irregular. Pleurosternal carinae absent (Figs 14D, E). Epiproct short, conical, directed caudoventrally; pre-apical papillae small (Figs 14C, E, G). Hypoproct trapeziform (Fig. 14G), setiferous papillae at caudal corners very small and well separated.
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</paragraph>
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<paragraph pageId="22" pageNumber="35">Sterna without modifications, rather broad, strongly setose (Fig. 14G). Epigynal ridge very low. Legs very long and slender, growing slightly slenderer towards telson (Figs 15B, 16A), ca 1.5 (♂) times as long as midbody height; femora and tarsi longest, subequal in length; sphaerotrichomes missing.</paragraph>
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<paragraph lastPageId="23" lastPageNumber="36" pageId="22" pageNumber="35">
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Gonopod aperture evident, transversely oblong-oval, taking up most of ventral part of metazonite 7. Gonopods (Figs 15C, D, 16B, C) with globose, medially fused coxae carrying a few setae on ventral face and a normal cannula mesally. Telopodite nearly straight, unipartite, rather short and stout. Distal part of telopodite split into a shorter frontal stump (s) (= solenomere?) beset with bacilliform ornamentations and
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<pageBreakToken pageId="23" pageNumber="36" start="start">a</pageBreakToken>
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quite complex, subtriangular, pointed, caudal branch (b) with a spine (sp) at base. Seminal groove terminating near base of both s and b, with neither a distinct solenomere nor a hairy pulvillus, but with a small accessory seminal chamber.
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</paragraph>
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<caption pageId="23" pageNumber="36">
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<paragraph pageId="23" pageNumber="36">
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Figure 14.
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<taxonomicName class="Diplopoda" family="Opisotretidae" genus="Retrodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Retrodesmus cavernicola" order="Polydesmida" pageId="23" pageNumber="36" phylum="Arthropoda" rank="species" species="cavernicola">Retrodesmus cavernicola</taxonomicName>
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sp. n., ♀ subadult, paratype; A, D anterior body part, dorsal and lateral views, respectively B midbody segments, dorsal view C, E, G posterior body part, dorsal, lateral and ventral views, respectively F head, ventral view H cross-section of a midbody segment, caudal view I tergal seta J, K paratergite 15, dorsal and subcaudal views, respectively L limbus, dorsal view. - Scale bars: A 0.5 mm;
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<normalizedToken originalValue="B–E">B-E</normalizedToken>
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, G, H 0.2 mm; F, J, K 0.1 mm; I, L 0.02 mm.
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</paragraph>
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</caption>
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<caption pageId="23" pageNumber="36">
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<paragraph pageId="23" pageNumber="36">
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Figure 15.
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<taxonomicName class="Diplopoda" family="Opisotretidae" genus="Retrodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Retrodesmus cavernicola" order="Polydesmida" pageId="23" pageNumber="36" phylum="Arthropoda" rank="species" species="cavernicola">Retrodesmus cavernicola</taxonomicName>
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sp. n., ♂ paratype from Cave Bem Tem; A antenna, lateral view B midbody leg C left gonopod, submesal view D right gonopod, subfrontal view. - Scale bars: A, B 1.0 mm; C, D 0.2 mm.
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</paragraph>
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</caption>
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<caption pageId="23" pageNumber="36">
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<paragraph pageId="23" pageNumber="36">
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Figure 16.
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<taxonomicName class="Diplopoda" family="Opisotretidae" genus="Retrodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Retrodesmus cavernicola" order="Polydesmida" pageId="23" pageNumber="36" phylum="Arthropoda" rank="species" species="cavernicola">Retrodesmus cavernicola</taxonomicName>
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sp. n., ♂ holotype; A leg 9 B, C left gonopod, subdorsal and subventral views, respectively. - Scale bars: A 0.5 mm; B, C 0.2 mm.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="24" pageNumber="37" type="remarks">
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<paragraph pageId="24" pageNumber="37">
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<pageBreakToken pageId="24" pageNumber="37" start="start">Remarks</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="24" pageNumber="37">Because of several apparent troglomorphic traits,this species seems to be a troglobite. Surprisingly, it appears to be rather widespread in western Papua New Guinea, occurring in places like Finim tel and Goglme which are separated from each other by>200 km.</paragraph>
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<paragraph pageId="24" pageNumber="37">
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It is the gonopod conformation, not the location of the ozopores, that clearly indicates the true affinities of
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<taxonomicName class="Diplopoda" family="Opisotretidae" genus="Retrodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Retrodesmus cavernicola" order="Polydesmida" pageId="24" pageNumber="37" phylum="Arthropoda" rank="species" species="cavernicola">Retrodesmus cavernicola</taxonomicName>
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sp. n. to
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<taxonomicName class="Diplopoda" family="Opisotretidae" genus="Retrodesmus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Retrodesmus dammermani" order="Polydesmida" pageId="24" pageNumber="37" phylum="Arthropoda" rank="species" species="dammermani">Retrodesmus dammermani</taxonomicName>
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, despite the great geographical gap between Java and New Guinea that also separates these species.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |